Base | Representation |
---|---|
bin | 111011111011010… |
… | …101011011111101 |
3 | 2121001212010022002 |
4 | 323323111123331 |
5 | 4024341110140 |
6 | 243433232045 |
7 | 33625562423 |
oct | 7373253375 |
9 | 2531763262 |
10 | 1005410045 |
11 | 4765894a2 |
12 | 240862625 |
13 | 1303b27b3 |
14 | 97759113 |
15 | 5d3ee415 |
hex | 3bed56fd |
1005410045 has 4 divisors (see below), whose sum is σ = 1206492060. Its totient is φ = 804328032.
The previous prime is 1005410009. The next prime is 1005410083. The reversal of 1005410045 is 5400145001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5400145001 = 449 ⋅12027049.
It can be written as a sum of positive squares in 2 ways, for example, as 106729561 + 898680484 = 10331^2 + 29978^2 .
It is a cyclic number.
It is not a de Polignac number, because 1005410045 - 210 = 1005409021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1005409999 and 1005410026.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100541000 + ... + 100541009.
It is an arithmetic number, because the mean of its divisors is an integer number (301623015).
Almost surely, 21005410045 is an apocalyptic number.
It is an amenable number.
1005410045 is a deficient number, since it is larger than the sum of its proper divisors (201082015).
1005410045 is an equidigital number, since it uses as much as digits as its factorization.
1005410045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201082014.
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 1005410045 is about 31708.2015415570. The cubic root of 1005410045 is about 1001.8001060074.
Adding to 1005410045 its reverse (5400145001), we get a palindrome (6405555046).
It can be divided in two parts, 100 and 5410045, that added together give a palindrome (5410145).
The spelling of 1005410045 in words is "one billion, five million, four hundred ten thousand, forty-five".
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